diff --git a/tools/run_tests.sh b/tools/run_tests.sh
index 5488be9430..3620ebc0e5 100755
--- a/tools/run_tests.sh
+++ b/tools/run_tests.sh
@@ -122,5 +122,4 @@ main () {
   PYTHONPATH=$original_pythonpath
 }
 
-
-
+main